CN102059306B - The multi-station cold-heading manufacture method of template die adjusting seat blank - Google Patents
The multi-station cold-heading manufacture method of template die adjusting seat blank Download PDFInfo
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Abstract
The invention provides a kind of multi-station cold-heading manufacture method of template die adjusting seat blank, it is to coil round woollen as raw material, first phosphate coating surface treatment is carried out to described dish circle woollen, again the woollen after phosphate coating surface treatment is carried out essence and take out sizing for dish circle finished product material, essence is taken out the circle of the dish after sizing finished product material and cut into single template die adjusting seat materials and parts; Also be provided with cold extrusion process: cold extrusion process is carried out in corresponding station.Employing dish circle material of the present invention replaces straight bar and fracture, can complete the requirement of multi-station cold-heading quantity-produced, reduces the loss of stub bar, material tail; After adopting multi-station cold-heading one-shot forming, decrease the lathe surplus of template die adjusting seat, raw material loss reduces by 30%, thus reduces costs simultaneously.
Description
Technical field
The present invention relates to the cold-heading manufacture method of template die adjusting seat blank.
Background technology
Template die adjusting seat is widely used in building trade, and its main body is cylinder, has axial tapped blind hole in cylinder, and template die adjusting seat is that hexagonal is dull and stereotyped in this one end of cylinder not perforate, and the entirety of template die adjusting seat forms T-shaped moulding.Now along with the continuous progress of domestic and international industrial economy, construction business fast development, increasing to template die adjusting seat demand.The many employings of manufacture method single station cold-heading of current template die adjusting seat manufactures or hot upsetting is produced, and the template die adjusting seat of producing also exists stretching resistance equal strength instability, processed complex, energy consumption is large, production efficiency is low, high in cost of production defect.
1, adopt single station cold-heading or hot upsetting to produce, do not reach the requirement of multistation quantity-produced, base plane and endoporus and end face all need large-area finish turning to process and large-scale punch press, and operation is various, processed complex, and production cost is high, and efficiency is low.Single device produces only 4000PCS daily, and to the demand in market, supply falls short of demand, and the human and material resources are simultaneously too large, do not meet the policy requirements that national energy-saving reduces discharging.
2, adopt single station cold-heading, the arrangement of product crystalline phase institutional framework after production is tight, easily causes pull resistance equal strength deficiency to cause product to burst apart or the bad phenomenon such as be full of cracks.
3, adopt straight bar or fracture to produce, do not reach quantity-produced requirement, produce the waste material such as more stub bar, material tail, and follow-uply also need to carry out the large-area lathe process of multiple working procedure, cause the waste on material, material cost increases.
4, follow-up lathe process amount is large, due to the impact of equipment, cutter and human factor, easily produces deviation and the instability of size and roughness, finally the requirement of finished product is not reached to the design and use requirement of regulation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multi-station cold-heading manufacture method of template die adjusting seat blank, to overcome the deficiency that above manufacture template die adjusting seat technically exists, saves raw material, reduces production cost, improve the quality of products.For this reason, the present invention is by the following technical solutions: it is to coil round woollen as raw material, first phosphate coating surface treatment is carried out to described dish circle woollen, again the woollen after phosphate coating surface treatment is carried out essence and take out sizing for dish circle finished product material, essence is taken out the circle of the dish after sizing finished product material and cut into single template die adjusting seat materials and parts; Then following cold extrusion process is also provided with:
A, arc chord angle is gone out to one end upsetting of described materials and parts, through the cold-heading together to three roads, the radius of described arc chord angle is increased gradually again, and then this one end cold-heading is become the dull and stereotyped position base shape of template die adjusting seat, when cold-heading forms described dull and stereotyped position base shape, make the contraction in length of template die adjusting seat materials and parts
B, the other end to described materials and parts, through the borehole in three Dao Zhi five roads, form the first counterbore and be in inside the first counterbore, coaxial with the first counterbore but the second counterbore that diameter is less, thus form cylinder and the axial thread blind hole base shape of template die adjusting seat, when cold-heading forms the first counterbore and the second counterbore, elongate the length of template die adjusting seat materials and parts;
Cold-heading forms described dull and stereotyped position base shape and forms described first counterbore from cold-heading and the second counterbore carries out in different cold-heading stations.
Above-mentioned cold extrusion process A and cold extrusion treatments B according to following station order, can be carried out in corresponding station:
1st station: the front end of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle, elongates materials and parts total length;
2nd station: cold extrusion materials and parts, gets location counterbore in materials and parts leading section, and rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
3rd station: cold extrusion materials and parts, the first counterbore is got in leading section on the basis of location counterbore, and rear end upsetting on the basis of the 2nd station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
4th station: cold extrusion materials and parts, continue borehole in the inner of the first counterbore, get the second counterbore, rear end upsetting on the basis of the 3rd station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
5th station: materials and parts are overturn 180 °, is pressed into flat board by the materials and parts leading section cold-extruded of this station, shortens materials and parts total length, forms the cylindrical blank shape of template die adjusting seat after described flat board;
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape forming template die adjusting seat, makes template die adjusting seat blank.
Above-mentioned cold extrusion process A and cold extrusion treatments B also according to following station order, can be carried out in corresponding station:
1st station: the front end of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle, elongates materials and parts total length;
2nd station: rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
3rd station: materials and parts are overturn 180 °, cold extrusion materials and parts, are pressed into flat board by the materials and parts leading section cold-extruded of this station, get location counterbore in the materials and parts rearward end of this station, shorten materials and parts total length;
4th station: cold extrusion materials and parts, gets the first counterbore in the materials and parts rearward end of this station, elongates the total length of materials and parts;
5th station: cold extrusion materials and parts, continues borehole in the inner of the first counterbore, gets the second counterbore, elongates the total length of materials and parts, forms the cylinder position base shape of template die adjusting seat;
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape forming template die adjusting seat, makes template die adjusting seat blank.
Owing to adopting technical scheme of the present invention, the present invention has the following advantages:
1, employing dish circle material replaces straight bar and fracture, can complete the requirement of multi-station cold-heading quantity-produced, reduces the loss of stub bar, material tail; After adopting multi-station cold-heading one-shot forming, decrease the lathe surplus of template die adjusting seat, raw material loss reduces by 30%, thus reduces costs simultaneously.
2, station is reasonable in design, manufacture template die adjusting seat blank with the cold pier of multistation, closely, tension, surrender, elongation, the every mechanical performance of impact are more excellent for the product crystalline phase institutional framework arrangement after production, improve physical property and the product quality of product, the appearance of product is good; And make the plastic deformation of materials and parts easier in Cold Extrusion Process, mould loss is little.
3, adopt the continuously shaped production of multi-station cold-heading, speed of production can reach 57PCS/ minute, average daily production 20000PCS, and production efficiency promotes 5-6 doubly than original, and greatly reduces the cost of investment of human and material resources.
4, after adopting multi-station cold-heading one-shot forming, the base plane of template die adjusting seat and endoporus and end face all do not need lathe process, decrease production process, 20% is reduced than original production and processing cost, avoid the impact of equipment, cutter and human factor, the size of product, roughness and using function improve greatly simultaneously.
Accompanying drawing explanation
Fig. 1 is the production technological process of the embodiment of the present invention 1.
Fig. 2 is the production technological process of the embodiment of the present invention 2.
Fig. 3 is the stereogram of the template die adjusting seat blank that the present invention makes.
Detailed description of the invention
Embodiment 1, with reference to Fig. 1,3.
The present invention is to coil round woollen as raw material, first phosphate coating surface treatment is carried out to described dish circle woollen, again the woollen after phosphate coating surface treatment is carried out essence and take out sizing for dish circle finished product material, essence is taken out the circle of the dish after sizing finished product material and cut into single template die adjusting seat materials and parts 10; Then following cold extrusion process is also provided with:
A, arc chord angle is gone out to one end upsetting of described materials and parts, through the cold-heading together to three roads, the radius of described arc chord angle is increased gradually again, and then this one end cold-heading is become the dull and stereotyped position base shape of template die adjusting seat, when cold-heading forms described dull and stereotyped position base shape, make the contraction in length of template die adjusting seat materials and parts
B, the other end to described materials and parts, through the borehole in three Dao Zhi five roads, form the first counterbore and be in inside the first counterbore, coaxial with the first counterbore but the second counterbore that diameter is less, thus form cylinder and the axial thread blind hole base shape of template die adjusting seat, when cold-heading forms the first counterbore and the second counterbore, elongate the length of template die adjusting seat materials and parts;
Cold-heading forms described dull and stereotyped position base shape and forms described first counterbore from cold-heading and the second counterbore carries out in different cold-heading stations.
Described cold extrusion process A and cold extrusion treatments B, according to following station order, are carried out in corresponding station:
1st station: the front end 11 of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle 12, elongates materials and parts total length; Drawing reference numeral 1 is the template die adjusting seat materials and parts after the 1st station terminates.
2nd station: cold extrusion materials and parts, get location counterbore 21 in materials and parts leading section, rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle of radius 22, elongates the total length of materials and parts; Drawing reference numeral 2 is the template die adjusting seat materials and parts after the 2nd station terminates.
3rd station: cold extrusion materials and parts, the first counterbore 31 is got in leading section on the basis of location counterbore, and rear end upsetting on the basis of the 2nd station of materials and parts goes out the larger arc chord angle of radius 32, elongates the total length of materials and parts; Drawing reference numeral 3 is the template die adjusting seat materials and parts after the 3rd station terminates.
4th station: cold extrusion materials and parts, continue borehole in the inner of the first counterbore, get the second counterbore 41, rear end upsetting on the basis of the 3rd station of materials and parts goes out the larger arc chord angle of radius 42, elongates the total length of materials and parts; Drawing reference numeral 4 is the template die adjusting seat materials and parts after the 4th station terminates.
5th station: materials and parts are overturn 180 °, is pressed into dull and stereotyped 51 by the materials and parts leading section cold-extruded of this station, shorten materials and parts total length, form the cylindrical blank shape 61 of template die adjusting seat after described flat board; Drawing reference numeral 5 is the template die adjusting seat materials and parts after the 5th station terminates.
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape 62 forming template die adjusting seat, makes template die adjusting seat blank 6.
Embodiment 2, with reference to Fig. 2,3.
In the present embodiment, described cold extrusion process A and cold extrusion treatments B, according to following station order, are carried out in corresponding station, in fig. 2, and the implication that the representative that drawing reference numeral is identical with Fig. 1 is identical.
1st station: the front end 11b of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle 12b, elongates materials and parts total length; Drawing reference numeral 1b is the template die adjusting seat materials and parts after the 1st station terminates.
2nd station: rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle 21b of radius, elongates the total length of materials and parts; Drawing reference numeral 2b is the template die adjusting seat materials and parts after the 2nd station terminates.
3rd station: materials and parts are overturn 180 °, cold extrusion materials and parts, are pressed into dull and stereotyped 31b by the materials and parts leading section cold-extruded of this station, get location counterbore 32b, shorten materials and parts total length in the materials and parts rearward end of this station; Drawing reference numeral 3b is the template die adjusting seat materials and parts after the 3rd station terminates.
4th station: cold extrusion materials and parts, gets the first counterbore 41b in the materials and parts rearward end of this station, elongates the total length of materials and parts; Drawing reference numeral 4b is the template die adjusting seat materials and parts after the 4th station terminates.
5th station: cold extrusion materials and parts, continues borehole in the inner of the first counterbore 41b, gets the second counterbore 51b, extends the total length of materials and parts, forms the cylinder position base shape 61 of template die adjusting seat; Drawing reference numeral 5b is the template die adjusting seat materials and parts after the 5th station terminates.
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape 62 forming template die adjusting seat, makes template die adjusting seat blank 6.
Claims (2)
1. the multi-station cold-heading manufacture method of template die adjusting seat blank, it is characterized in that it is to coil round woollen as raw material, first phosphate coating surface treatment is carried out to described dish circle woollen, again the woollen after phosphate coating surface treatment is carried out essence and take out sizing for dish circle finished product material, essence is taken out the circle of the dish after sizing finished product material and cut into single template die adjusting seat materials and parts; Then following cold extrusion process is also provided with:
A, arc chord angle is gone out to one end upsetting of described materials and parts, through the cold-heading together to three roads, the radius of described arc chord angle is increased gradually again, and then this one end cold-heading is become the dull and stereotyped position base shape of template die adjusting seat, when cold-heading forms described dull and stereotyped position base shape, make the contraction in length of template die adjusting seat materials and parts
B, the other end to described materials and parts, through the borehole in three Dao Zhi five roads, form the first counterbore and be in inside the first counterbore, coaxial with the first counterbore but the second counterbore that diameter is less, thus form cylinder and the axial thread blind hole base shape of template die adjusting seat, when cold-heading forms the first counterbore and the second counterbore, elongate the length of template die adjusting seat materials and parts;
Cold-heading forms described dull and stereotyped position base shape and forms described first counterbore from cold-heading and the second counterbore carries out in different cold-heading stations;
Described cold extrusion process A and cold extrusion treatments B, according to following station order, are carried out in corresponding station:
1st station: the front end of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle, elongates materials and parts total length;
2nd station: cold extrusion materials and parts, gets location counterbore in materials and parts leading section, and rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
3rd station: cold extrusion materials and parts, the first counterbore is got in leading section on the basis of location counterbore, and rear end upsetting on the basis of the 2nd station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
4th station: cold extrusion materials and parts, continue borehole in the inner of the first counterbore, get the second counterbore, rear end upsetting on the basis of the 3rd station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
5th station: materials and parts are overturn 180 °, is pressed into flat board by the materials and parts leading section cold-extruded of this station, shortens materials and parts total length, forms the cylindrical blank shape of template die adjusting seat after described flat board;
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape forming template die adjusting seat, makes template die adjusting seat blank.
2. the multi-station cold-heading manufacture method of template die adjusting seat blank, it is characterized in that it is to coil round woollen as raw material, first phosphate coating surface treatment is carried out to described dish circle woollen, again the woollen after phosphate coating surface treatment is carried out essence and take out sizing for dish circle finished product material, essence is taken out the circle of the dish after sizing finished product material and cut into single template die adjusting seat materials and parts; Then following cold extrusion process is also provided with:
A, arc chord angle is gone out to one end upsetting of described materials and parts, through the cold-heading together to three roads, the radius of described arc chord angle is increased gradually again, and then this one end cold-heading is become the dull and stereotyped position base shape of template die adjusting seat, when cold-heading forms described dull and stereotyped position base shape, make the contraction in length of template die adjusting seat materials and parts
B, the other end to described materials and parts, through the borehole in three Dao Zhi five roads, form the first counterbore and be in inside the first counterbore, coaxial with the first counterbore but the second counterbore that diameter is less, thus form cylinder and the axial thread blind hole base shape of template die adjusting seat, when cold-heading forms the first counterbore and the second counterbore, elongate the length of template die adjusting seat materials and parts;
Cold-heading forms described dull and stereotyped position base shape and forms described first counterbore from cold-heading and the second counterbore carries out in different cold-heading stations;
Described cold extrusion process A and cold extrusion treatments B, according to following station order, are carried out in corresponding station:
1st station: the front end of leveling materials and parts, the rear end upsetting of materials and parts goes out arc chord angle, elongates materials and parts total length;
2nd station: rear end upsetting on the basis of the 1st station of materials and parts goes out the larger arc chord angle of radius, elongates the total length of materials and parts;
3rd station: materials and parts are overturn 180 °, cold extrusion materials and parts, are pressed into flat board by the materials and parts leading section cold-extruded of this station, get location counterbore in the materials and parts rearward end of this station, shorten materials and parts total length;
4th station: cold extrusion materials and parts, gets the first counterbore in the materials and parts rearward end of this station, elongates the total length of materials and parts;
5th station: cold extrusion materials and parts, continues borehole in the inner of the first counterbore, gets the second counterbore, elongates the total length of materials and parts, forms the cylinder position base shape of template die adjusting seat;
6th station: dull and stereotyped described in cold extrusion, makes the thinning area of its thickness increase the dull and stereotyped position base shape forming template die adjusting seat, makes template die adjusting seat blank.
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186209A (en) * | 1960-04-14 | 1965-06-01 | Nat Machinery Co | Method of cold forming an elongated hollow article |
FR2289269A1 (en) * | 1974-11-01 | 1976-05-28 | Go Proizv Konst | PROCESS FOR MANUFACTURING PARTS WITH SHAFT AND HEAD IN HIGH RESISTANCE ALLOYS BASED ON TWO-PHASE TITANIUM |
CN1654138A (en) * | 2005-01-28 | 2005-08-17 | 陈波 | Cold extrusion molding technique for direct blank accomplishment of motorcycle initiating drive gear wheel bar |
KR100815529B1 (en) * | 2007-07-19 | 2008-03-24 | 주식회사 신도하이텍 | Method for forming mounting pipe, and mounting pipe formed by it |
CN101602072A (en) * | 2009-07-23 | 2009-12-16 | 余姚市行一汽车零部件有限公司 | The multistation cold-extrusion molding method of oil pipe connector |
CN101607273A (en) * | 2009-07-23 | 2009-12-23 | 宁波安拓实业有限公司 | The multistation cold extrusion forming method of extruded sleeve |
CN101618422A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing method of internal jacket |
CN101618421A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Multi-station cold-heading molding method of clutch conical blank |
CN101618498A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing process of adjusting nut |
-
2010
- 2010-11-19 CN CN201010550073.XA patent/CN102059306B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186209A (en) * | 1960-04-14 | 1965-06-01 | Nat Machinery Co | Method of cold forming an elongated hollow article |
FR2289269A1 (en) * | 1974-11-01 | 1976-05-28 | Go Proizv Konst | PROCESS FOR MANUFACTURING PARTS WITH SHAFT AND HEAD IN HIGH RESISTANCE ALLOYS BASED ON TWO-PHASE TITANIUM |
CN1654138A (en) * | 2005-01-28 | 2005-08-17 | 陈波 | Cold extrusion molding technique for direct blank accomplishment of motorcycle initiating drive gear wheel bar |
KR100815529B1 (en) * | 2007-07-19 | 2008-03-24 | 주식회사 신도하이텍 | Method for forming mounting pipe, and mounting pipe formed by it |
CN101618422A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing method of internal jacket |
CN101618421A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Multi-station cold-heading molding method of clutch conical blank |
CN101618498A (en) * | 2009-07-17 | 2010-01-06 | 宁波安拓实业有限公司 | Manufacturing process of adjusting nut |
CN101602072A (en) * | 2009-07-23 | 2009-12-16 | 余姚市行一汽车零部件有限公司 | The multistation cold-extrusion molding method of oil pipe connector |
CN101607273A (en) * | 2009-07-23 | 2009-12-23 | 宁波安拓实业有限公司 | The multistation cold extrusion forming method of extruded sleeve |
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